A-Mount Lens/Full-Frame Format Aperture Range: f/1.4 to f/22 One Glass-Molded Aspherical Element Auto Clutch Mechanism Focus Hold Button; Rear Focus Minimum Focus Distance: 11.8" Nine-Blade Circular Diaphragm

A-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/32 Four Extra-Low Dispersion Elements Nano AR Coating Super Sonic Wave AF Motor Three Focus Hold Buttons; Internal Focus Electronic Focus Range Limiter Dust and Moisture Resistant Construction Removable, Rotating Tripod Collar Nine-Blade Circular Diaphragm